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发明人张德明,孙丽萍,冯建国. "Method for the Synthesis of tert-Butyl 6-benzyl-8-cyano-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110252439 B, 授权公告日 2019-02-14.
发明人马晓峰,周伟,高志强. "A Process for Preparing High-Purity tert-Butyl 6-benzyl-8-cyano-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108621423 A, 授权公告日 2025-05-25.
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